Add long press actions for Most Visited tiles

ios/chrome/browser/content_suggestions/content_suggestions_mediator.h

Index: ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
diff --git a/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h b/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
index 00d2d4d03cdad23f1cc8514d024777fe7459c8b9..c48ccda613a7b39a8793550a3573d6eae22f5c79 100644
--- a/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
+++ b/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
@@ -26,6 +26,7 @@ class MostVisitedSites;
 
 @protocol ContentSuggestionsCommands;
 @class ContentSuggestionIdentifier;
+class GURL;
 
 // Mediator for ContentSuggestions. Makes the interface between a
 // ntp_snippets::ContentSuggestionsService and the Objective-C services using
@@ -52,6 +53,12 @@ initWithContentService:
 - (void)dismissSuggestion:
     (nonnull ContentSuggestionIdentifier*)suggestionIdentifier;
 
+// Blacklist the URL from the Most Visited sites.

[lpromero, 2017/05/22 13:19:06]

s/Blacklist/Blacklists

[gambard, 2017/06/02 14:57:10]

Done.

+- (void)blacklistMostVisitedURL:(GURL)URL;
+
+// Whitelist the URL from the Most Visited sites.

[lpromero, 2017/05/22 13:19:06]

s/Whitelist/Whitelists

[gambard, 2017/06/02 14:57:10]

Done.

+- (void)whitelistMostVisitedURL:(GURL)URL;
+
 @end
 
 #endif  // IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_MEDIATOR_H_